<template>
<div class="flex-c">
    <div class="top"></div>
</div>

</template>
<style scoped>
.flex-c {
    display: flex;
    height: 200px;
    width: 300px;
    background-color: rgba(87, 85, 83, 0.582);
    padding: 0;
    margin: 0;
    align-items: center;
}
.top{
    height: 50px;
    width: 100px;
    background-color: yellow;
}
</style>